Biology

The correct answer is: B.Commensalism.

In this case, the fish is benefiting by eating the leftover food scraps from the shark's meal, while the shark is neither helped nor harmed by the fish’s presence. The fish gets a source of food, but the shark isn't directly affected by the fish feeding on its leftovers.

Here’s why the other options don't apply:

A.Mutualism:

Mutualism occurs when both organisms benefit. In this case, the shark isn't benefiting from the fish's presence, so this is not mutualism.

C.Parasitism: